Hat liner



FIG. 1 is an upper perspective view showing an exemplary placement of a hat liner in a hat.

FIG. 2 is an upper perspective view of a hat liner with the partial front covering in an attached position;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top view thereof; and

FIG. 8 is a bottom view thereof.

FIG. 9 is an upper perspective view of a hat liner with the partial front covering removed;

FIG. 10 is a front view thereof;

FIG. 11 is a rear view thereof;

FIG. 12 is a left view thereof;

FIG. 13 is a right view thereof;

FIG. 14 is a top view thereof; and,

FIG. 15 is a bottom view thereof.

The dashed lines in FIG. 1 showing a hat depict environment and form no part of the claim. The dashed lines shown on claimed surfaces in FIGS. 1, 4, 11 depict claimed portions of the article. 

CLAIM I claim the ornamental design for a hat liner, as shown and described. 